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SubjectRe: [2.6] system is very slow during disk access
Hi!

There are some references to: hdparm -a 512 /dev/hda.
For some folks this improves fs performance.

Does it work for you?

Regards,
Nuno Silva

Michael Buesch wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> On Wednesday 06 August 2003 22:31, insecure wrote:
>
>>hdparm -T -t output? dmesg? lspci? /proc/ide stuff?
>
>
>
> root@lfs:/home/mb> hdparm -T -t /dev/hda
>
> /dev/hda:
> Timing buffer-cache reads: 128 MB in 0.37 seconds =343.22 MB/sec
> Timing buffered disk reads: 64 MB in 1.53 seconds = 41.81 MB/sec
>
>
> dmesg doesn't show any unusual messages.
>
>
> root@lfs:/home/mb> lspci
> 00:00.0 Host bridge: Intel Corp. 82845 845 (Brookdale) Chipset Host Bridge (rev 04)
> 00:01.0 PCI bridge: Intel Corp. 82845 845 (Brookdale) Chipset AGP Bridge (rev 04)
> 00:1e.0 PCI bridge: Intel Corp. 82801BA/CA/DB PCI Bridge (rev 05)
> 00:1f.0 ISA bridge: Intel Corp. 82801BA ISA Bridge (LPC) (rev 05)
> 00:1f.1 IDE interface: Intel Corp. 82801BA IDE U100 (rev 05)
> 00:1f.2 USB Controller: Intel Corp. 82801BA/BAM USB (Hub #1) (rev 05)
> 00:1f.3 SMBus: Intel Corp. 82801BA/BAM SMBus (rev 05)
> 00:1f.4 USB Controller: Intel Corp. 82801BA/BAM USB (Hub #2) (rev 05)
> 01:00.0 VGA compatible controller: nVidia Corporation NV25 [GeForce4 Ti4400] (rev a2)
> 03:02.0 Multimedia video controller: Brooktree Corporation Bt878 Video Capture (rev 11)
> 03:02.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture (rev 11)
> 03:03.0 Multimedia audio controller: Ensoniq 5880 AudioPCI (rev 02)
> 03:04.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8029(AS)
> 03:0c.0 USB Controller: NEC Corporation USB (rev 41)
> 03:0c.1 USB Controller: NEC Corporation USB (rev 41)
> 03:0c.2 USB Controller: NEC Corporation USB 2.0 (rev 02)
>
> root@lfs:/home/mb> cat /proc/ide/drivers
> ide-cdrom version 4.59-ac1
> ide-disk version 1.18
>
> root@lfs:/home/mb> cat /proc/ide/hda/settings
> name value min max mode
> - ---- ----- --- --- ----
> acoustic 0 0 254 rw
> address 0 0 2 rw
> bios_cyl 79780 0 65535 rw
> bios_head 16 0 255 rw
> bios_sect 63 0 63 rw
> bswap 0 0 1 r
> current_speed 69 0 70 rw
> failures 0 0 65535 rw
> init_speed 69 0 70 rw
> io_32bit 1 0 3 rw
> keepsettings 0 0 1 rw
> lun 0 0 7 rw
> max_failures 1 0 65535 rw
> multcount 16 0 16 rw
> nice1 1 0 1 rw
> nowerr 0 0 1 rw
> number 0 0 3 rw
> pio_mode write-only 0 255 w
> slow 0 0 1 rw
> unmaskirq 0 0 1 rw
> using_dma 1 0 1 rw
> wcache 0 0 1 rw
>
>
> root@lfs:/home/mb> cat /proc/ide/hda/model
> IC35L040AVVA07-0
>
>
>
>>--
>>insecure
>
>
> - --
> Regards Michael Buesch [ http://www.8ung.at/tuxsoft ]
> Penguin on this machine: Linux 2.6.0-test2 - i386
>
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> 42uPwSsmoPv5hte149jD398=
> =XNT2
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>
> -
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